蓝桥杯模拟赛 猜算式

第一次参加比赛，感觉之前学的好多东西都不知道怎么用，感觉准备很不充分。但是我还是想去拼一下，大不了明年接着刷，保研保本校跟着院长混。

废话不说，直接发出代码。暴力破解，其中代码块复制粘贴了很多，很容易的思路。通俗易懂。

由于我之前做过不少工程项目，我非常不习惯竞赛当中毫无意义的变量，这玩意遇到难题给你代码你都看不懂。非常爆炸。但也是我修为尚浅，继续努力吧。和CSDN诸君共勉。

#include <iostream>
using namespace std;
int numTimes[10];

void Initial()
{
for (int i = 0; i < 10; i++)
{
numTimes[i] = 0;
}
}

bool check()
{
for (int i = 0; i < 10; i++)
{
if (numTimes[i] != 2)
{
return false;
}
}
return true;
}

int main()
{
Initial();
for (int i = 100; i < 999; i++)
{

for (int j = 100; j < 999; j++)
{
int iGewei = i % 10;
numTimes[iGewei]++;
int iShiwei = (i / 10) % 10;
numTimes[iShiwei]++;
int iBaiwei = (i / 100);
numTimes[iBaiwei]++;

int jGewei = j % 10;
numTimes[jGewei]++;
int jShiwei = (j / 10) % 10;
numTimes[jShiwei]++;
int jBaiwei = (j / 100);
numTimes[jBaiwei]++;

int num1 = i*jGewei;
if (num1 < 1000)
{
int num1Gewei = num1 % 10;
numTimes[num1Gewei]++;
int num1Shiwei = (num1 / 10) % 10;
numTimes[num1Shiwei]++;
int num1Baiwei = (num1 / 100);
numTimes[num1Baiwei]++;
}
else
{
Initial();
continue;
}

int num2 = i*jShiwei;
if (num2 < 1000)
{
int num2Gewei = num2 % 10;
numTimes[num2Gewei]++;
int num2Shiwei = (num2 / 10) % 10;
numTimes[num2Shiwei]++;
int num2Baiwei = (num2 / 100);
numTimes[num2Baiwei]++;
}
else
{
Initial();
continue;
}

int num3 = i*jBaiwei;
if (num3 < 1000)
{
int num3Gewei = num3 % 10;
numTimes[num3Gewei]++;
int num3Shiwei = (num3 / 10) % 10;
numTimes[num3Shiwei]++;
int num3Baiwei = (num3 / 100);
numTimes[num3Baiwei]++;
}
else
{
Initial();
continue;
}

int res = i*j;
int resGewei = res % 10;
numTimes[resGewei]++;
int resShiwei = (res / 10) % 10;
numTimes[resShiwei]++;
int resBaiwei = (res / 100) % 10;
numTimes[resBaiwei]++;
int resQianwei = (res / 1000) % 10;
numTimes[resQianwei]++;
int resWanwei = (res / 10000) % 10;
numTimes[resWanwei]++;

if (check())
{
cout << res<<endl;
system("pause");
return 0;
}
else
{
Initial();
continue;
}

}
}
cout << "Nothing" << endl;
system("pause");
return 0;

}